Mobile shelving unit



FIG. 1 is a perspective view of a mobile shelving unit from the front and left sides, with the shelves in a slanted position;

FIG. 2 is a perspective view from the front and left sides, with the shelves in an alternate upright position; and,

FIG. 3 is a perspective view from the front and left sides, with the shelves in an alternate adjacent position.

The views from the right and rear sides are reverse images of the views from the left and front sides. 

The ornamental design for a mobile shelving unit, as shown and described. 